From MangaHelpers:

This 4-koma comedy manga follows the daily life of the intelligent, responsible 6th grade elementary school student Haruna Raika. She keeps busy as the elementary student council president and the classroom leader, and she even fills in for the teacher sometimes! [tethysdust]

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4-Koma comedy following the super genius grade school student Haruna Raika and her every day life. Where she's the class president, the room leader, the top student, and even fills in for the teacher when they've overslept!

Kazuma Satō, a hikikomori (shut-in) die-hard fan of games, anime, and manga. A traffic accident brings his disappointingly brief life to an end … or it should have, but he wakes up and sees a beautiful girl who introduces herself as a goddess. "Hey, I have some good news — would you like to go to an alternate world? You may only bring one thing you like with you."

He responds, "…So, I'll bring you." With that, he is transported to another world and his great adventure subjugating the demon king begins … but first the hard work of finding food, clothing, and shelter begins. Kazuma wants to live in peace, but the goddess raises one problem after another, and then the demon king's army has its eyes set on him.

Without possessing the unique skill blessed by the goddess, a boy named Kujou Kyouya failed to save the world. He was ridiculed as a “failed hero” at the interdimensional-level academy where returned heroes who had saved many worlds gathered. However, he became the strongest and most unique hero, having trained for 30,000 years in another world with the most evil demon king, Felice, who has destroyed 3,000 worlds! Now Kyouya’s unique skill is so powerful that he cannot even be defeated by the strongest heroes! The legend of a boy trained by the most evil demon king, begins!

One day 's lunch break, suddenly a male high school student Yuzo Ogata being transferred to another world of sword and magic together with four other friends.

According to the Princess of Space-Time Magician, a foreign world who summoned them, they want them to beat the Demon Lord as Heroes to save this world.
Suddenly I was surprised at four friends "Temple", but it was a relaxing expression ... ... where the princess told of a startling fact!
"`―― There should only be four braves though?"
"A man who was mistakenly summoned to a different world" What will be in store as to his fate?

Source: http://konomanga.jp/manga/taitei-cheat

Youki was reincarnated in another world. However, instead of being reincarnated as the hero or the demon lord, he was instead reincarnated half-assedly as a minion of the Demon Lord. One day, the Hero's Party attacked the Demon Lord's castle with the intent of defeating the Demon Lord. Of course, Youki was able to repel their attempt with ease. In spite of this, he ended up falling for the cleric, Cecilia, at first sight… The super popular love comedy fantasy set in another world! (Source: Gaugau)

A MAN purchases three little slaves and begins to groom them into perfect girls for his harem. You will never have a gaggle of lolis with horns in your life. ;_;

Brad Lester, once renowned as the strongest mage, vanished from the public eye after the tragic death of his young daughter. While living a quiet life as a lowly day laborer, his beloved wife is murdered by the "World Peace Promotion Association," an organization seeking his power. Driven by a despairing rage after losing everything, Brad sets out for revenge—only to find Valburga, the leader of the Association, has been transformed into a little girl!? Furthermore, she has lost her memories and has nowhere to go. Haunted by the memories of his late daughter, Brad resolves to "help his arch-nemesis regain her memories." Visiting the Olford Ancient Magic Research Institute, the mouse-worshipping town of Brooke, and the blizzard-shrouded village of Lutz, their long journey across the land begins—. An adventure fantasy of the strongest mage and his "child" companion!!

Traveling from Kagoshima to Hokkaido (~2800 km/~1700 mi) in her trusty, bedazzled touring cycle, this is a story of 18 year old sparkling gyaru Michibata Michika!

Today, there’ll be discoveries and encounters again. For the girls marching forward in a world in its afterlife, there are still various things to experience: The remains of an extinct civilization, other living things, as well as lessons taught by the ruins.. there is still a lot to be seen in the world. That’s why... living is still fun!

A certain boy and girl in middle school became lovers, flirted with each other, disagreed on trivial things, became more frequently irritated with each other rather than excited… and ended up breaking up on graduation.

And so, the two of them, Irido Mizuto and Ayai Yume, wound up meeting each other in the most unexpected fashion.

“Isn’t it obvious that I’m the elder brother.” “Isn’t it obvious that I’m the elder sister.”

The children of the partner of their parent’s remarriage was their ex-lover!?

The former couple, mindful of their parent’s feelings, decided on a ‘sibling rule’ where the one takes conscious of the other as the opposite s*x loses, but—

When they encounter each other in the bathroom, commute to and from school together… along with the memories of the past and living under the same roof, just how do they disregard each other!?

Youth = friendship, effort, and future prediction!
A very ordinary and supernatural daily life sent by the strongest and invincible gal with different abilities.

- Official YouTube: https://www.youtube.com/@parako
- Official Twitter/X: https://twitter.com/parako_official

Botan Ichige has just enrolled in St. Asmaria All-Girl's School where angels are said to live. It turns out that angels do indeed live there, and after an accident, an angel named Un offers Botan her halo as a snack. After eating it, Botan discovers it had some bizarre side-effects, causing her to regularly "give birth" to colorful mushrooms. Is this the life of an angel!?

Choose the world or choose her.

Ordinary high school student Shiraishi Godo harbored a "secret" - he possessed memories of a past life. In a world different from this one, he was a "hero" who saved humanity.

However, that was a story of his past life.

In this life, he was supposed to lead an ordinary school life—until the arrival of transfer student Mai Shiina turned everything upside down.

People say that the youthful days are always bittersweet, but maybe it's just bitter? Kyouko Hori is a flashy high school girl, who, despite her ostentatious appearance, excels in academics and has a family-loving character. Izumi Miyamura is a bland high school boy, who, despite not wanting to stand out in class, secretly wears piercings outside of school and has a large body tattoo. One day, Miyamura finds Hori's little brother injured and helps him back to Hori's house, where the relationship between Hori and Miyamura begins with Hori's discovery of Miyamura's secret.

From Boku-Tachi:

Tesshou is your typical high-school delinquent with a special skill. He has a perfect pitch. This skill enables him to hear things most people wouldn't. After saving a small dog, Tesshou realises his calling in life is to become a Vet!

In 2006, Wild Life received the Shogakukan Manga Award for shounen.

With a dream to become the ultimate Chinese cuisine chef, our protagonist finds himself inexplicably transported to the Song Dynasty in China! However, upon awakening, he discovers that he possesses no martial arts skills whatsoever. All that remains are the culinary techniques he mastered in his previous life. Surprisingly, these dishes… receive an overwhelmingly positive response!

Can he, with a single bowl of Jjajangmyeon, truly conquer the martial world?
Will he be able to captivate the Central Plains with his Jjajangmyeon and lead a successful second life in this era?

Yoo Sanghyun, once the youngest champion in a national archery competition and a highly promising talent, saw his dreams shattered by a tragic accident that rendered him unable to handle a bow ever again.

Now, as a fallen prodigy, he faced the additional setback of being fired from the company he had joined. In order to make a living, he took on the persona of Almond and embarked on a new path as a gaming streamer.

[You have selected the bow.]
*Swish! Thunk!*
[Headshot!]

“Are bosses supposed to be defeated in a single shot?”

His exceptional talent once again shines through! Returning as a streaming genius, he sets off on an entertaining journey of rebellion!

Kamine Shuuta is a person who can see a person's heart (literally) whether it's angry, wounded, broken, guarded, troubled etc... and because of this he's at his wits end, because he can't do anything about it.

Tokisaka Hibiki is a saxophonist in the music club. Shuuta first listens to his saxophone on the terrace and wanted to ask something but Shuuta tells him to come to his performance later in the ongoing school festival. After seeing Hibiki's performance, he see the notes of music as hands which can heal the wounded, tend the broken, break the shielded hearts: in other words "seize the soul" of a person.

After the performance Shuuta asks Hibiki if there isn't a person to whom your sound doesn't reach. Shuuta says although Hibiki's sounds can seize hearts of others and move them, his own heart is guarded and is unmoved and troubled. Hibiki then takes Shuuta to his childhood friend Moko (Takizawa Momoko) who loved singing but somehow became mute. Shuuta sees her as a sea of depression and despair. Thus begins their journey to heal people's hearts with music.

One day, Hajime Tamachi, an apathetic man, receives an unexpected message from Renafalt, a friend he met five years ago in an online game, whose face he has never seen: "Senpai, how about hiring a home security guard?" Convinced that Renafalt is 200% a man, Tama arrives at the meeting spot and sees someone with a red suitcase, just as they had arranged. However, that person turns out to be a beautiful girl with large breasts. "Ah... A-Are you... Senpai?"

D.Gray-man follows the adventures of 15-year-old Allen Walker, whose left arm can transform into a monstrous claw and destroy akuma, evolving machines created by the Millennium Earl to help him destroy humanity. As ordered by his master General Cross Marian, Allen becomes an Exorcist, people who can destroy akuma, for the Black Order, an organization attempting to stop the Earl. He becomes a powerful asset for the Order because he can detect disguised akuma with his left eye. Allen is sent to recover pieces of Innocence, a substance that gives certain people, called Exorcists, the ability to destroy akuma. The Earl decides to call together the Noah Family, superhuman descendants of Noah who can destroy Innocence. Both sides start the search for the Great Heart, the most powerful piece of Innocence that will assure victory to the side that finds it.